OpenTechnical

OT-2026-000081695

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000081695) never changes.

Identity and time

Publication numberOT-2026-000081695 · never reused
Internal UUID01a0ae97-0f73-7944-b7e1-a9c52b5dc166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081695
StatusPUBLIC

Content hashes

Canonical textb88b5f11b9531ec0f88967527b8612e7d7be17d2d9e8a95177570f9760a2343d
Markdown4f518bf8b102e80a3d6bd2eadebe7eab2f8492a66a507fbe1a1a396eb86ef84b
PDF
Publication page02417839b8dad41b01c007ab83afe4c4a7ed1fbec596620af48e5e85830562af
Manifestb7cfcdf2be5643f5da07bd1f37b5fba127339e447b89310121ac1376f932025b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturedcJieJVO34l4lOmxUrS7IwCxbf1GDh+wl4bKQ7TJhRz9jjrK5wHGO+lAwq7UwKzkO63VEgtsLtZ9g2ZHqtMUDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:45.695066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081695
observed 02417839b8dad41b01c007ab83afe4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.675045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081695/manifest.json
observed b7cfcdf2be5643f5da07bd1f37b5fba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.657619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081695/publication.md
observed 4f518bf8b102e80a3d6bd2eadebe7eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.639231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081695/publication.txt
observed b88b5f11b9531ec0f88967527b8612e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.